United States Brent Oil Fund, LP - Limited Partnership
US ˙ ARCA ˙ US91167Q1004

SecurityBNO / United States Brent Oil Fund, LP - Limited Partnership
InstitutionSimplex Trading, Llc
Latest Disclosed Ownership56,806 shares
Latest Disclosed Value $ 2,954,480
Simplex Trading, Llc ownership in BNO / United States Brent Oil Fund, LP - Limited Partnership

On May 14, 2026 - Simplex Trading, Llc filed a 13F-HR form disclosing ownership of 56,806 shares of United States Brent Oil Fund, LP - Limited Partnership (US:BNO) valued at $2,954,480 USD as of March 31, 2026. The entity filed a previous 13F-HR on November 12, 2025 disclosing 0 shares of United States Brent Oil Fund, LP - Limited Partnership. The current value of the position is $3,064,116 USD.

Simplex Trading, Llc has a history of taking positions in derivatives of the underlying security (BNO) in the form of stock options. The firm currently holds call options representing 49,100 of underlying shares valued at $2,553,691 USD and put options representing 33,100 of underlying shares valued at $1,721,531 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

BNO / United States Brent Oil Fund, LP - Limited Partnership Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F UNITED STS BRENT OIL FD COM 91167Q100 56,806 56,806 2,954 0.0009
2025-11-12 2025-09-30 13F UNITED STS BRENT OIL FD COM 91167Q100 0 -781 -100.00 0 0.0000
2025-08-05 2025-06-30 13F UNITED STS BRENT OIL FD COM 91167Q100 781 781 0 0.0000
2025-05-12 2025-03-31 13F UNITED STS BRENT OIL FD COM 91167Q100 0 -6,906 -100.00 0 0.0000
2025-02-11 2024-12-31 13F UNITED STS BRENT OIL FD COM 91167Q100 6,906 5,528 401.16 0 0.0001
2024-11-08 2024-09-30 13F UNITED STS BRENT OIL FD COM 91167Q100 1,378 -489 -26.19 0 0.0000
2024-07-25 2024-06-30 13F UNITED STS BRENT OIL FD COM 91167Q100 1,867 1,867 0 0.0000
2024-02-02 2023-12-31 13F UNITED STS BRENT OIL FD COM 91167Q100 0 -7,571 -100.00 0 0.0000
2023-11-01 2023-09-30 13F UNITED STS BRENT OIL FD COM 91167Q100 7,571 4,304 131.74 0 0.0002
2023-08-04 2023-06-30 13F UNITED STS BRENT OIL FD COM 91167Q100 3,267 -13,942 -81.02 0 0.0001
2023-04-27 2023-03-31 13F UNITED STS BRENT OIL FD COM 91167Q100 17,209 -23,662 -57.89 0 -100.00 0.0004
2023-02-02 2022-12-31 13F UNITED STS BRENT OIL FD COM 91167Q100 40,871 2,937 7.74 1 -99.90 0.0013
2022-11-04 2022-09-30 13F UNITED STS BRENT OIL FD COM 91167Q100 37,934 -20,283 -34.84 1,036 -45.65 0.0012
2022-08-03 2022-06-30 13F UNITED STS BRENT OIL FD COM 91167Q100 58,217 17,411 42.67 1,906 56.10 0.0020
2022-05-02 2022-03-31 13F UNITED STS BRENT OIL FD COM 91167Q100 40,806 12,766 45.53 1,221 108.36 0.0011
2022-02-23 2021-12-31 13F/A-1 UNITED STS BRENT OIL FD COM 91167Q100 28,040 -6,895 -19.74 586 -13.82 0.0006
2022-02-04 2021-12-31 13F UNITED STS BRENT OIL FD COM 91167Q100 34,935 0 680 0.0003
2021-10-28 2021-09-30 13F UNITED STS BRENT OIL FD COM 91167Q100 34,935 0 0.00 680 1.19 0.0006
2021-08-12 2021-06-30 13F UNITED STS BRENT OIL FD COM 91167Q100 34,935 22,700 185.53 672 246.39 0.0006
2021-04-26 2021-03-31 13F UNITED STS BRENT OIL FD COM 91167Q100 12,235 12,235 -64.98 194 -71.13 0.0003
2021-02-02 2020-12-31 13F UNITED STS BRENT OIL FD COM 91167Q100 0 -29,251 -100.00 0 -100.00
2020-10-14 2020-09-30 13F UNITED STS BRENT OIL FD COM 91167Q100 29,251 29,251 311 0.0004
2020-04-28 2020-03-31 13F UNITED STS BRENT OIL FD COM 91167Q100 0 -13,693 -100.00 0 -100.00
2020-02-05 2019-12-31 13F UNITED STS BRENT OIL FD COM 91167Q100 13,693 -1,553 -10.19 285 3.26 0.0006
2019-10-15 2019-09-30 13F UNITED STS BRENT OIL FD COM 91167Q100 15,246 7,044 85.88 276 78.06 0.0008
2019-07-26 2019-06-30 13F UNITED STS BRENT OIL FD COM 91167Q100 8,202 3,140 62.03 155 59.79 0.0004
2019-04-18 2019-03-31 13F UNITED STS BRENT OIL FD COM 91167Q100 5,062 -62,643 -92.52 97 -90.65 0.0003
2019-01-16 2018-12-31 13F UNITED STS BRENT OIL FD COM 91167Q100 67,705 17,942 36.05 1,037 -10.60 0.0030
2018-10-23 2018-09-30 13F UNITED STS BRENT OIL FD COM 91167Q100 49,763 49,763 -26.50 1,160 11.86 0.0037
2017-10-25 2017-09-30 13F UNITED STS BRENT OIL FD COM 91167Q100 0 -5,307 -100.00 0 -100.00
2017-07-12 2017-06-30 13F UNITED STS BRENT OIL FD COM 91167Q100 5,307 4,702 777.19 68 750.00 0.0030
2017-04-21 2017-03-31 13F UNITED STS BRENT OIL FD COM 91167Q100 605 -23 -3.66 8 -11.11 0.0003
2017-01-11 2016-12-31 13F UNITED STS BRENT OIL FD COM 91167Q100 628 -1,332 -67.96 9 -67.86 0.0005
2016-10-07 2016-09-30 13F UNITED STS BRENT OIL FD COM 91167Q100 1,960 -549 -21.88 28 -24.32 0.0019
2016-07-18 2016-06-30 13F UNITED STS BRENT OIL FD COM 91167Q100 2,509 2,509 28.01 37 32.14 0.0025
2015-10-08 2015-09-30 13F UNITED STS BRENT OIL FD COM 91167Q100 0 -1,214 -100.00 0 -100.00
2015-07-08 2015-06-30 13F UNITED STS BRENT OIL FD COM 91167Q100 1,214 -3,372 -73.53 27 -71.28 0.0023
2015-04-21 2015-03-31 13F UNITED STS BRENT OIL FD COM 91167Q100 4,586 4,586 94 0.0109
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-14 2026-03-31 13F UNITED STS BRENT OIL FD CALL Call 49,100 2,131.82 2,554 4,017.74 n/a n/a n/a
2026-02-11 2025-12-31 13F UNITED STS BRENT OIL FD CALL Call 2,200 -87.36 62 n/a n/a n/a
2025-11-12 2025-09-30 13F UNITED STS BRENT OIL FD CALL Call 17,400 -61.42 1 -100.00 n/a n/a n/a
2025-08-05 2025-06-30 13F UNITED STS BRENT OIL FD CALL Call 45,100 163.74 1 n/a n/a n/a
2025-05-12 2025-03-31 13F UNITED STS BRENT OIL FD CALL Call 17,100 327.50 1 n/a n/a n/a
2025-02-11 2024-12-31 13F UNITED STS BRENT OIL FD CALL Call 4,000 -94.78 0 -100.00 n/a n/a n/a
2024-11-08 2024-09-30 13F UNITED STS BRENT OIL FD CALL Call 76,700 218.26 2 n/a n/a n/a
2024-07-25 2024-06-30 13F UNITED STS BRENT OIL FD CALL Call 24,100 -21.50 1 n/a n/a n/a
2024-04-25 2024-03-31 13F UNITED STS BRENT OIL FD CALL Call 30,700 -70.85 1 -100.00 n/a n/a n/a
2024-02-02 2023-12-31 13F UNITED STS BRENT OIL FD CALL Call 105,300 265.62 3 n/a n/a n/a
2023-11-01 2023-09-30 13F UNITED STS BRENT OIL FD CALL Call 28,800 27.43 1 n/a n/a n/a
2023-08-04 2023-06-30 13F UNITED STS BRENT OIL FD CALL Call 22,600 -60.14 1 -100.00 n/a n/a n/a
2023-04-27 2023-03-31 13F UNITED STS BRENT OIL FD CALL Call 56,700 -53.33 2 -66.67 n/a n/a n/a
2023-02-02 2022-12-31 13F UNITED STS BRENT OIL FD CALL Call 121,500 190.67 3 -99.74 n/a n/a n/a
2022-11-04 2022-09-30 13F UNITED STS BRENT OIL FD CALL Call 41,800 -66.04 1,141 -71.69 n/a n/a n/a
2022-08-03 2022-06-30 13F UNITED STS BRENT OIL FD CALL Call 123,100 -39.69 4,030 -34.02 n/a n/a n/a
2022-05-02 2022-03-31 13F UNITED STS BRENT OIL FD CALL Call 204,100 628.93 6,108 944.10 n/a n/a n/a
2022-02-23 2021-12-31 13F/A UNITED STS BRENT OIL FD CALL Call 28,000 268.42 585 297.96 n/a n/a n/a
2022-02-04 2021-12-31 13F UNITED STS BRENT OIL FD CALL Call 7,600 147 n/a n/a n/a
2021-10-28 2021-09-30 13F UNITED STS BRENT OIL FD CALL Call 7,600 0.00 147 0.68 n/a n/a n/a
2021-08-12 2021-06-30 13F UNITED STS BRENT OIL FD CALL Call 7,600 26,106.90 146 217.39 n/a n/a n/a
2021-04-26 2021-03-31 13F UNITED STS BRENT OIL FD CALL Call 29 -94.59 46 -93.33 n/a n/a n/a
2021-02-02 2020-12-31 13F UNITED STS BRENT OIL FD CALL Call 536 -69.79 690 -63.47 n/a n/a n/a
2020-10-14 2020-09-30 13F UNITED STS BRENT OIL FD CALL Call 1,774 -27.47 1,889 -28.42 n/a n/a n/a
2020-07-13 2020-06-30 13F UNITED STS BRENT OIL FD CALL Call 2,446 634.53 2,639 907.25 n/a n/a n/a
2020-04-29 2020-03-31 13F UNITED STS BRENT OIL FD CALL Call 333 33,200.00 262 13,000.00 n/a n/a n/a
2020-02-05 2019-12-31 13F UNITED STS BRENT OIL FD CALL Call 1 -99.06 2 -98.96 n/a n/a n/a
2019-10-15 2019-09-30 13F UNITED STS BRENT OIL FD CALL Call 106 715.38 192 700.00 n/a n/a n/a
2019-07-26 2019-06-30 13F UNITED STS BRENT OIL FD CALL Call 13 -62.86 24 -64.18 n/a n/a n/a
2019-04-18 2019-03-31 13F UNITED STS BRENT OIL FD CALL Call 35 -2.78 67 21.82 n/a n/a n/a
2019-01-16 2018-12-31 13F UNITED STS BRENT OIL FD CALL Call 36 1,700.00 55 1,275.00 n/a n/a n/a
2018-10-23 2018-09-30 13F UNITED STS BRENT OIL FD CALL Call 2 -87.50 4 -88.57 n/a n/a n/a
2018-07-30 2018-06-30 13F UNITED STS BRENT OIL FD CALL Call 16 -89.40 35 3,400.00 n/a n/a n/a
2018-04-26 2018-03-31 13F UNITED STS BRENT OIL FD CALL Call 151 1,061.54 1 0.00 n/a n/a n/a
2018-01-10 2017-12-31 13F UNITED STS BRENT OIL FD CALL Call 13 -67.50 1 0.00 n/a n/a n/a
2017-10-25 2017-09-30 13F UNITED STS BRENT OIL FD CALL Call 40 25.00 0 -100.00 n/a n/a n/a
2017-07-12 2017-06-30 13F UNITED STS BRENT OIL FD CALL Call 32 -20.00 0 n/a n/a n/a
2017-04-21 2017-03-31 13F UNITED STS BRENT OIL FD CALL Call 0 -100.00 0 -100.00 n/a n/a n/a
2017-01-11 2016-12-31 13F UNITED STS BRENT OIL FD CALL Call 20 -53.49 1 -50.00 n/a n/a n/a
2016-10-07 2016-09-30 13F UNITED STS BRENT OIL FD CALL Call 43 115.00 2 -71.43 n/a n/a n/a
2016-07-18 2016-06-30 13F UNITED STS BRENT OIL FD CALL Call 20 -77.53 7 250.00 n/a n/a n/a
2016-04-14 2016-03-31 13F UNITED STS BRENT OIL FD CALL Call 89 14.10 0 -100.00 n/a n/a n/a
2016-01-20 2015-12-31 13F UNITED STS BRENT OIL FD CALL Call 78 -34.45 1 -94.44 n/a n/a n/a
2015-10-08 2015-09-30 13F UNITED STS BRENT OIL FD CALL Call 119 -21.19 18 0.00 n/a n/a n/a
2015-07-08 2015-06-30 13F UNITED STS BRENT OIL FD CALL Call 151 371.88 18 350.00 n/a n/a n/a
2015-04-21 2015-03-31 13F UNITED STS BRENT OIL FD CALL Call 32 4 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-14 2026-03-31 13F UNITED STS BRENT OIL FD PUT Put 33,100 4,037.50 1,722 7,722.73 n/a n/a n/a
2026-02-11 2025-12-31 13F UNITED STS BRENT OIL FD PUT Put 800 -11.11 23 n/a n/a n/a
2025-11-12 2025-09-30 13F UNITED STS BRENT OIL FD PUT Put 900 -30.77 0 n/a n/a n/a
2025-08-05 2025-06-30 13F UNITED STS BRENT OIL FD PUT Put 1,300 8.33 0 n/a n/a n/a
2025-05-12 2025-03-31 13F UNITED STS BRENT OIL FD PUT Put 1,200 -47.83 0 n/a n/a n/a
2025-02-11 2024-12-31 13F UNITED STS BRENT OIL FD PUT Put 2,300 -30.30 0 n/a n/a n/a
2024-11-08 2024-09-30 13F UNITED STS BRENT OIL FD PUT Put 3,300 -29.79 0 n/a n/a n/a
2024-07-25 2024-06-30 13F UNITED STS BRENT OIL FD PUT Put 4,700 6.82 0 n/a n/a n/a
2024-04-25 2024-03-31 13F UNITED STS BRENT OIL FD PUT Put 4,400 -71.05 0 n/a n/a n/a
2024-02-02 2023-12-31 13F UNITED STS BRENT OIL FD PUT Put 15,200 406.67 0 n/a n/a n/a
2023-11-01 2023-09-30 13F UNITED STS BRENT OIL FD PUT Put 3,000 -66.67 0 n/a n/a n/a
2023-08-04 2023-06-30 13F UNITED STS BRENT OIL FD PUT Put 9,000 -61.21 0 n/a n/a n/a
2023-04-27 2023-03-31 13F UNITED STS BRENT OIL FD PUT Put 23,200 48.72 1 n/a n/a n/a
2023-02-02 2022-12-31 13F UNITED STS BRENT OIL FD PUT Put 15,600 -53.98 0 -100.00 n/a n/a n/a
2022-11-04 2022-09-30 13F UNITED STS BRENT OIL FD PUT Put 33,900 -2.59 926 -18.70 n/a n/a n/a
2022-08-03 2022-06-30 13F UNITED STS BRENT OIL FD PUT Put 34,800 -5.43 1,139 3.45 n/a n/a n/a
2022-05-02 2022-03-31 13F UNITED STS BRENT OIL FD PUT Put 36,800 348.78 1,101 543.86 n/a n/a n/a
2022-02-23 2021-12-31 13F/A UNITED STS BRENT OIL FD PUT Put 8,200 1,540.00 171 1,800.00 n/a n/a n/a
2022-02-04 2021-12-31 13F UNITED STS BRENT OIL FD PUT Put 500 9 n/a n/a n/a
2021-10-28 2021-09-30 13F UNITED STS BRENT OIL FD PUT Put 500 0.00 9 0.00 n/a n/a n/a
2021-08-12 2021-06-30 13F UNITED STS BRENT OIL FD PUT Put 500 4,066.67 9 -52.63 n/a n/a n/a
2021-04-26 2021-03-31 13F UNITED STS BRENT OIL FD PUT Put 12 -93.30 19 -91.74 n/a n/a n/a
2021-02-02 2020-12-31 13F UNITED STS BRENT OIL FD PUT Put 179 -71.54 230 -65.62 n/a n/a n/a
2020-10-14 2020-09-30 13F UNITED STS BRENT OIL FD PUT Put 629 -0.32 669 -1.62 n/a n/a n/a
2020-07-13 2020-06-30 13F UNITED STS BRENT OIL FD PUT Put 631 -14.73 680 16.64 n/a n/a n/a
2020-04-29 2020-03-31 13F UNITED STS BRENT OIL FD PUT Put 740 14,700.00 583 5,730.00 n/a n/a n/a
2020-02-05 2019-12-31 13F UNITED STS BRENT OIL FD PUT Put 5 -93.42 10 -92.70 n/a n/a n/a
2019-10-15 2019-09-30 13F UNITED STS BRENT OIL FD PUT Put 76 111.11 137 101.47 n/a n/a n/a
2019-07-26 2019-06-30 13F UNITED STS BRENT OIL FD PUT Put 36 28.57 68 28.30 n/a n/a n/a
2019-04-18 2019-03-31 13F UNITED STS BRENT OIL FD PUT Put 28 -97.10 53 -96.41 n/a n/a n/a
2019-01-16 2018-12-31 13F UNITED STS BRENT OIL FD PUT Put 964 24,000.00 1,477 16,311.11 n/a n/a n/a
2018-10-23 2018-09-30 13F UNITED STS BRENT OIL FD PUT Put 4 -88.89 9 -88.61 n/a n/a n/a
2018-07-30 2018-06-30 13F UNITED STS BRENT OIL FD PUT Put 36 -61.29 79 1,480.00 n/a n/a n/a
2018-04-26 2018-03-31 13F UNITED STS BRENT OIL FD PUT Put 93 158.33 5 -93.67 n/a n/a n/a
2018-01-10 2017-12-31 13F UNITED STS BRENT OIL FD PUT Put 36 -55.00 0 -100.00 n/a n/a n/a
2017-10-25 2017-09-30 13F UNITED STS BRENT OIL FD PUT Put 80 -33.33 0 -100.00 n/a n/a n/a
2017-07-12 2017-06-30 13F UNITED STS BRENT OIL FD PUT Put 120 81.82 8 166.67 n/a n/a n/a
2017-04-21 2017-03-31 13F UNITED STS BRENT OIL FD PUT Put 66 175.00 3 -62.50 n/a n/a n/a
2017-01-11 2016-12-31 13F UNITED STS BRENT OIL FD PUT Put 24 -56.36 0 -100.00 n/a n/a n/a
2016-10-07 2016-09-30 13F UNITED STS BRENT OIL FD PUT Put 55 -85.97 1 -75.00 n/a n/a n/a
2016-07-18 2016-06-30 13F UNITED STS BRENT OIL FD PUT Put 392 1,604.35 4 300.00 n/a n/a n/a
2016-04-14 2016-03-31 13F UNITED STS BRENT OIL FD PUT Put 23 228.57 0 -100.00 n/a n/a n/a
2016-01-20 2015-12-31 13F UNITED STS BRENT OIL FD PUT Put 7 -81.58 4 -80.95 n/a n/a n/a
2015-10-08 2015-09-30 13F UNITED STS BRENT OIL FD PUT Put 38 -73.43 21 61.54 n/a n/a n/a
2015-07-08 2015-06-30 13F UNITED STS BRENT OIL FD PUT Put 143 615.00 13 -35.00 n/a n/a n/a
2015-04-21 2015-03-31 13F UNITED STS BRENT OIL FD PUT Put 20 20 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.